refactoring: put language extensions in module files
looking for www in the current working directory to serve static files (for development)
Work around a caching issue in wai

This allows to run redsift, modify the static files and let the
modified files be served to the client correctly.
See https://github.com/yesodweb/wai/issues/210.

As this is an internal tool we don't need caching that badly.
remove Kenny and add Igor to contacts
port to wai-3